On Tuesday night Mischa gave it a whirl, hosting the store opening of Growze, a Japanese sportswear brand. The former "O.C." star walked the red carpet in liquid leather leggings and a sheer, polka-dotted blouse... with a black bra underneath, of course.

With her messy high-pony, Mischa's outfit was a laid-back choice. But did it prove she's got her fashion groove back?